 html{
     height: 100%;
 }
 body{
    width: 100%;
    height: 100%;
    background: radial-gradient(circle,white 0%,gray 25%,blue 50%,black 100%);

    display: flex;
    justify-content: center;
    align-items: center;
    /*font-size: 220px;*/
}
div{
    text-align: center;
}

div>span:nth-child(1){
    font-size: 220px;
    display: inline-block;
}

div>span:nth-child(2){
    font-size: 20px;
}